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Can you use a trailing comma in a JSON object?
...ves a lot of time. It's annoying, I wish there were an option to throw an error for this with firefox (since that would help with debugging).
– rocketmonkeys
Aug 30 '11 at 18:16
4...
How can I find out what version of git I'm running?
...d."
That will echo "Git is installed" if it is, otherwise, it'll echo an error message. You can use this for scripts that use git
It's also customizable, so you can change "which git" to "which java" or something, and change the error message.
...
What is the difference between .*? and .* regular expressions?
...edy, first tries to match as many . as possible.
eeeAiiZuuuuAoooZeeee
\_______________/
A.* matched, Z can't match
Since the Z doesn't match, the engine backtracks, and .* must then match one fewer .:
eeeAiiZuuuuAoooZeeee
\______________/
A.* matched, Z still can't match
This ha...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...(format,...)do{\
fprintf(stderr,"%s\n",\
[[[NSStringstringWithUTF8String:__FILE__]lastPathComponent]UTF8String],\
__LINE__,__func__);\
(NSLog)((format),##__VA_ARGS__);\
fprintf(stderr,"-------\n");\
}while(0)
@interfaceViewController
@end
@implementationViewController
-(void)viewDi...
php execute a background process
...save them to a web directory:
foreground.php:
<?php
ini_set("display_errors",1);
error_reporting(E_ALL);
echo "<pre>loading page</pre>";
function run_background_process()
{
file_put_contents("testprocesses.php","foreground start time = " . time() . "\n");
echo "<pre>...
How to replace a string in a SQL Server Table Column
...ax)) LIKE '%\\Ingl-report\Templates%'
Without the CAST function I got an error
Argument data type ntext is invalid for argument 1 of replace function.
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...
Write to .txt file?
...
FILE *f = fopen("file.txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
exit(1);
}
/* print some text */
const char *text = "Write this to the file";
fprintf(f, "Some text: %s\n", text);
/* print integers and floats */
int i = 1;
float py = 3.1415927;
fprintf(f, "In...
Disable browser's back button
... browser, but you can make it so that your application breaks (displays an error message, requiring the user to start over) if the user goes back.
One approach I have seen for doing this is to pass a token on every URL within the application, and within every form. The token is regenerated on ever...
How to upgrade Git to latest version on macOS?
...ut it didn't set up the symlink properly. running brew link git gave me an error saying it couldn't symlink git because it already existed. finally running brew link --overwrite git put the nail in the coffin so now git --version shows i'm on the most up to date version of git
–...
How do I save a stream to a file in C#?
... myOtherObject.InputStream.CopyTo(fileStream); this line gives an error: access denied.
– sulhadin
Jun 29 '16 at 13:05
3
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